Background: Brachial neuritis has previously been described as a rare occurrence in patients receiving botulinum toxin for cervical or writing/focal arm dystonia.
Methods: We report four cases of patients with a long history of cervical dystonia treated with botulinum toxin injections.
Results: All patients developed pain and muscular weakness around the shoulder, with EMG studies suggesting brachial neuritis.
Conclusions: In the context of these observations, we discuss the question of an association between brachial neuritis and botulinum toxin treatment.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6384191 | PMC |
| http://dx.doi.org/10.1002/mdc3.12710 | DOI Listing |
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